Additional two-loop contributions to electric dipole moments in supersymmetric theories
Darwin Chang, We-Fu Chang, and Wai-Yee Keung
TL;DR
This paper calculates new two-loop contributions to electric dipole moments in supersymmetric theories, highlighting potential observable effects from CP violation in charged Higgs interactions with third-generation scalar quarks.
Contribution
It introduces the first calculation of two-loop EDM contributions mediated by charged Higgs with CP violation in trilinear couplings within generic supersymmetric models.
Findings
Observable effects for a significant parameter space in the MSSM.
CP violation in charged Higgs couplings can significantly impact EDMs.
New two-loop contributions can be experimentally relevant.
Abstract
We calculate the two-loop contributions to the electric dipole moments of the electron and the neutron mediated by charged Higgs in a generic supersymmetric theories. The new contributions are originated from the potential CP violation in the trilinear couplings of the charged Higgs bosons to the scalar-top or the scalar-bottom quarks. These couplings did not receive stringent constraints directly. We find observable effects for a sizeable portion of the parameter space related to the third generation scalar-quarks in the minimal supersymmetric standard model.
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